1012222101100 has 54 divisors (see below), whose sum is σ = 2555137801860. Its totient is φ = 347047575840.

The previous prime is 1012222101097. The next prime is 1012222101169. The reversal of 1012222101100 is 11012222101.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 103283070 + ... + 103292869.

Almost surely, 2^{1012222101100} is an apocalyptic number.

1012222101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012222101100 is an abundant number, since it is smaller than the sum of its proper divisors (1542915700760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012222101100 is a wasteful number, since it uses less digits than its factorization.

1012222101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206575967 (or 206575953 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1012222101100 its reverse (11012222101), we get a palindrome (1023234323201).

The spelling of 1012222101100 in words is "one trillion, twelve billion, two hundred twenty-two million, one hundred one thousand, one hundred".